Summary Edit The devil Sword and the angel Ios are fighting their 101th battle during one of the many wars between angels and devils. When, both severely wounded, they fall on Earth, where each of them has to take the body of a human to survive; to their astonishment, the bodies they take are those of two twins, and, to make things worse, the angel has taken the body of the violent rebel Kanna, while the demon has taken that of the weak and defenseless Souma.

They cannot use their powers, so they have to cope with being human brothers. But being without powers does not mean they do not have to fight, because creatures from Hell start appearing in this world, and most of them seem to be looking for the fallen demon Sword....**More....